* Copyright (C) 2003-2004 Ushodaya Enterprises Limited
* Author: Dan Dennedy <dan@dennedy.org>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * Adapted from Kino Plugin Timfx, which is
+ * Copyright (C) 2002 Timothy M. Shead <tshead@k-3d.com>
*
- * This program is distributed in the hope that it will be useful,
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "transition_luma.h"
int width_src = width, height_src = height;
mlt_image_format format = mlt_image_yuv422;
uint8_t *p_src, *p_dest;
- uint8_t *p;
+ uint8_t *p, *q;
uint8_t *limit;
+ uint8_t *alpha_src;
+ uint8_t *alpha_dst;
int32_t weigh = weight * ( 1 << 16 );
int32_t weigh_complement = ( 1 - weight ) * ( 1 << 16 );
mlt_properties_set( &that->parent, "distort", mlt_properties_get( &this->parent, "distort" ) );
mlt_properties_set_int( &that->parent, "consumer_deinterlace", mlt_properties_get_int( &this->parent, "consumer_deinterlace" ) );
mlt_frame_get_image( this, &p_dest, &format, &width, &height, 1 );
+ alpha_dst = mlt_frame_get_alpha_mask( this );
mlt_frame_get_image( that, &p_src, &format, &width_src, &height_src, 0 );
+ alpha_src = mlt_frame_get_alpha_mask( that );
// Pick the lesser of two evils ;-)
width_src = width_src > width ? width : width_src;
height_src = height_src > height ? height : height_src;
p = p_dest;
+ q = alpha_dst;
limit = p_dest + height_src * width_src * 2;
while ( p < limit )
{
*p_dest++ = ( *p_src++ * weigh + *p++ * weigh_complement ) >> 16;
*p_dest++ = ( *p_src++ * weigh + *p++ * weigh_complement ) >> 16;
+ *alpha_dst++ = ( *alpha_src++ * weigh + *q++ * weigh_complement ) >> 16;
}
return ret;
static void luma_read_yuv422( uint8_t *image, uint16_t **map, int width, int height )
{
int i;
+ int size = width * height * 2;
// allocate the luma bitmap
uint16_t *p = *map = ( uint16_t* )mlt_pool_alloc( width * height * sizeof( uint16_t ) );
return;
// proces the image data into the luma bitmap
- for ( i = 0; i < width * height * 2; i += 2 )
+ for ( i = 0; i < size; i += 2 )
*p++ = ( image[ i ] - 16 ) * 299; // 299 = 65535 / 219
}
// Get the properties of the b frame
mlt_properties b_props = MLT_FRAME_PROPERTIES( b_frame );
+ // This compositer is yuv422 only
+ *format = mlt_image_yuv422;
+
// The cached luma map information
int luma_width = mlt_properties_get_int( properties, "width" );
int luma_height = mlt_properties_get_int( properties, "height" );
// If the filename property changed, reload the map
char *resource = mlt_properties_get( properties, "resource" );
+ // Correct width/height if not specified
+ if ( luma_width == 0 || luma_height == 0 )
+ {
+ luma_width = mlt_properties_get_int( a_props, "width" );
+ luma_height = mlt_properties_get_int( a_props, "height" );
+ }
+
if ( luma_bitmap == NULL && resource != NULL )
{
char temp[ 512 ];
if ( strchr( resource, '%' ) )
{
+ FILE *test;
sprintf( temp, "%s/lumas/%s/%s", mlt_factory_prefix( ), mlt_environment( "MLT_NORMALISATION" ), strchr( resource, '%' ) + 1 );
+ test = fopen( temp, "r" );
+ if ( test == NULL )
+ strcat( temp, ".png" );
+ else
+ fclose( test );
resource = temp;
extension = strrchr( resource, '.' );
}
// Get the luma frame
if ( mlt_service_get_frame( MLT_PRODUCER_SERVICE( producer ), &luma_frame, 0 ) == 0 )
{
- uint8_t *luma_image;
+ uint8_t *luma_image = NULL;
mlt_image_format luma_format = mlt_image_yuv422;
// Get image from the luma producer
- mlt_properties_set( MLT_FRAME_PROPERTIES( luma_frame ), "rescale.interp", "none" );
+ mlt_properties_set( MLT_FRAME_PROPERTIES( luma_frame ), "rescale.interp", "nearest" );
mlt_frame_get_image( luma_frame, &luma_image, &luma_format, &luma_width, &luma_height, 0 );
// Generate the luma map
int reverse = mlt_properties_get_int( properties, "reverse" );
int invert = mlt_properties_get_int( properties, "invert" );
- if ( mlt_properties_get( a_props, "rescale.interp" ) == NULL )
+ if ( mlt_properties_get( a_props, "rescale.interp" ) == NULL || !strcmp( mlt_properties_get( a_props, "rescale.interp" ), "none" ) )
mlt_properties_set( a_props, "rescale.interp", "nearest" );
// Since we are the consumer of the b_frame, we must pass along this
// consumer property from the a_frame
- if ( !strcmp( mlt_properties_get( a_props, "rescale.interp" ), "none" ) )
- mlt_properties_set_double( b_props, "consumer_aspect_ratio", mlt_properties_get_double( a_props, "aspect_ratio" ) );
- else
- mlt_properties_set_double( b_props, "consumer_aspect_ratio", mlt_properties_get_double( a_props, "consumer_aspect_ratio" ) );
+ if ( mlt_properties_get_double( a_props, "aspect_ratio" ) == 0.0 )
+ mlt_properties_set_double( a_props, "aspect_ratio", mlt_properties_get_double( a_props, "consumer_aspect_ratio" ) );
+ if ( mlt_properties_get_double( b_props, "aspect_ratio" ) == 0.0 )
+ mlt_properties_set_double( b_props, "aspect_ratio", mlt_properties_get_double( a_props, "consumer_aspect_ratio" ) );
+ mlt_properties_set_double( b_props, "consumer_aspect_ratio", mlt_properties_get_double( a_props, "consumer_aspect_ratio" ) );
// Honour the reverse here
if ( mix >= 1.0 )
frame_delta *= reverse || invert ? -1.0 : 1.0;
// Ensure we get scaling on the b_frame
- mlt_properties_set( b_props, "rescale.interp", "nearest" );
+ if ( mlt_properties_get( b_props, "rescale.interp" ) == NULL || !strcmp( mlt_properties_get( b_props, "rescale.interp" ), "none" ) )
+ mlt_properties_set( b_props, "rescale.interp", "nearest" );
if ( mlt_properties_get( properties, "fixed" ) )
mix = mlt_properties_get_double( properties, "fixed" );
+
if ( luma_width > 0 && luma_height > 0 && luma_bitmap != NULL )
// Composite the frames using a luma map
luma_composite( !invert ? a_frame : b_frame, !invert ? b_frame : a_frame, luma_width, luma_height, luma_bitmap, mix, frame_delta,
// Dissolve the frames using the time offset for mix value
dissolve_yuv( a_frame, b_frame, mix, *width, *height );
+
// Extract the a_frame image info
*width = mlt_properties_get_int( !invert ? a_props : b_props, "width" );
*height = mlt_properties_get_int( !invert ? a_props : b_props, "height" );
// Set the main property
mlt_properties_set( MLT_TRANSITION_PROPERTIES( transition ), "resource", lumafile );
+ // Inform apps and framework that this is a video only transition
+ mlt_properties_set_int( MLT_TRANSITION_PROPERTIES( transition ), "_transition_type", 1 );
+
return transition;
}
return NULL;
projects / melted / blobdiff